ObjectiveC静态代码扫描和代码质量管理OClint+SonarQube

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OClint是针对C, C++及Objective C代码的静态扫描分析工具，而SonarQube是一个开源的代码质量管理平台。本文将实现将OClint的扫描结果导入到SonarQube中，已实现对Objective C代码质量的管理。

操作系统：

Mac OS X 10.9

所需工具:

SonarQube : sonarqube-4.4 - http://www.sonarqube.org/downloads/
Sonar Runner : sonar-runner-dist-2.4 - http://www.sonarqube.org/downloads/
MySQL 5.x : 5.0.90 MySQL Community Server (GPL) - http://dev.mysql.com/downloads/mysql/
OClint : oclint-0.9.dev.5f3418c - http://oclint.org/downloads.html选择mac os x或者darwin的包
xcodebuild: Xcode 5.x - https://developer.apple.com/xcode/downloads/

所需组件:

Sonar Plugin for Objective C

可以直接下载sonar-objective-c-plugin-0.3.2-SNAPSHOT.jar

也可以在https://github.com/octo-technology/sonar-objective-c/tree/oclint 下载源码，并执行其中的build-and-deploy.sh编译

环境搭建：

下载并安装MySQL;
创建sonar数据库及用户;

CREATE DATABASE sonar CHARACTER SET utf8 COLLATE utf8_general_ci;

CREATE USER 'sonar' IDENTIFIED BY 'sonar';
GRANT ALL ON sonar.* TO 'sonar'@'%' IDENTIFIED BY 'sonar';
GRANT ALL ON sonar.* TO 'sonar'@'localhost' IDENTIFIED BY 'sonar';
FLUSH PRIVILEGES;

3. 下载并解压SonarQube （例如："/etc/sonarqube"）

4. 将sonar-objective-c-plugin-0.3.2-SNAPSHOT.jar放到SonarQube的扩展插件目录下（例如："/etc/sonarqube/extensions/plugins"）

5. 配置sonar.properties （例如："/etc/sonarqube/conf"）

# H2 embedded database server listening port, defaults to 9092
#sonar.embeddedDatabase.port=9092


#----- MySQL 5.x
# Comment the embedded database and uncomment the following line to use MySQL
sonar.jdbc.url=jdbc:mysql://localhost:3306/sonar?useUnicode=true&characterEncoding=utf8&rewriteBatchedStatements=true

6. 启动SonarQube服务器

$ /etc/sonarqube/bin/macosx-universal-64/sonar.sh console
Running SonarQube...
wrapper  | --> Wrapper Started as Console
wrapper  | Launching a JVM...
jvm 1    | Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org
jvm 1    |   Copyright 1999-2006 Tanuki Software, Inc.  All Rights Reserved.
jvm 1    | 
jvm 1    | 2014.09.06 14:45:53 INFO  Web server is started

7. 测试SonarQube

http://localhost:9000/

8. 下载并解压Sonar Runner （例如："/etc/sonar-runner"）

9. 配置Sonar Runner下的sonar-runner.properties （例如："/etc/sonar-runner/conf/ sonar-runner.properties"）

#----- Default SonarQube server
sonar.host.url=http://localhost:9000
#----- MySQL
sonar.jdbc.url=jdbc:mysql://localhost:3306/sonar?useUnicode=true&amp;characterEncoding=utf8
#----- Global database settings
sonar.jdbc.username=sonar
sonar.jdbc.password=sonar

10. 下载并解压OClint（例如："/etc/oclint"）

11. 测试OClint

$ /etc/oclint/bin/oclint
oclint: Not enough positional command line arguments specified!
Must specify at least 1 positional arguments: See: oclint -help

12. 测试xcodebuild

$ xcodebuild -version
Xcode 5.0.2
Build version 5A3005

扫描代码：

在bash中进入代码目录(.xcodeproj文件所在目录), 执行 xcodebuild | tee xcodebuild.log
在bash中执行 oclint-xcodebuild xcodebuild.log
在bash中执行oclint-json-compilation-database -- -report-type pmd -o sonar-reports/oclint.xml。
将sonar-project.properties存放到代码目录中，根据具体情况编辑对应的项，需要特别注意其中的sonar.objectivec.project和sonar.objectivec.appScheme

##########################
# Required configuration #
##########################

sonar.projectKey=my-project
sonar.projectName=My project
sonar.projectVersion=1.0
sonar.language=objc
 
# Project description
sonar.projectDescription=Fake description
 
# Path to source directories 
sonar.sources=srcDir1,srcDir2
 
# Xcode project configuration (.xcodeproj or .xcworkspace)
# -> If you have a project: configure only sonar.objectivec.project
# -> If you have a workspace: configure sonar.objectivec.workspace and sonar.objectivec.project
# and use the later to specify which project(s) to include in the analysis (comma separated list)
sonar.objectivec.project=myApplication.xcodeproj 
# sonar.objectivec.workspace=myApplication.xcworkspace

# Scheme to build your application
sonar.objectivec.appScheme=myApplication
# Scheme to build and run your tests (comment following line of you don't have any tests)
sonar.objectivec.testScheme=myApplicationTests
 
##########################
# Optional configuration #
##########################

# Encoding of the source code
sonar.sourceEncoding=UTF-8

# JUnit report generated by run-sonar.sh is stored in sonar-reports/TEST-report.xml
# Change it only if you generate the file on your own
# The XML files have to be prefixed by TEST- otherwise they are not processed 
# sonar.junit.reportsPath=sonar-reports/

# Cobertura report generated by run-sonar.sh is stored in sonar-reports/coverage.xml
# Change it only if you generate the file on your own
# sonar.objectivec.coverage.reportPattern=sonar-reports/coverage*.xml

# OCLint report generated by run-sonar.sh is stored in sonar-reports/oclint.xml
# Change it only if you generate the file on your own
# sonar.objectivec.oclint.report=sonar-reports/oclint.xml

# Paths to exclude from coverage report (tests, 3rd party libraries etc.)
# sonar.objectivec.excludedPathsFromCoverage=pattern1,pattern2
sonar.objectivec.excludedPathsFromCoverage=.*Tests.*

6. 在bash中执行Sonar Runner

/etc/sonar-runner/bin/sonar-runer.sh

7. 在SonarQube中查看结果

http://localhost:9000/

异常情况处理：

如果执行/etc/sonar-runner/bin/sonar-runer.sh 失败，提示错误：

RROR: Error during Sonar runner execution
ERROR: Unable to execute Sonar
ERROR: Caused by: You must install a plugin that supports the language 'objc'
ERROR: 
ERROR: To see the full stack trace of the errors, re-run SonarQube Runner with the -e switch.
ERROR: Re-run SonarQube Runner using the -X switch to enable full debug logging.

说明sonar-objective-c-plugin-0.3.2-SNAPSHOT.jar没有加载到/etc/sonarqube/extensions/plugins

2. 如果执行/etc/sonar-runner/bin/sonar-runer.sh 失败，提示错误：

ERROR: Error during Sonar runner execution
ERROR: Unable to execute Sonar
ERROR: Caused by: The rule 'OCLint:switch statements don't need default when fully covered' does not exist.
ERROR: 
ERROR: To see the full stack trace of the errors, re-run SonarQube Runner with the -e switch.
ERROR: Re-run SonarQube Runner using the -X switch to enable full debug logging.

错误提示 The rule ‘XXX’ does not exist说明Oclint扫描出来的问题在Sonar Plugin for Objective C(sonar-objective-c-plugin-0.3.2-SNAPSHOT.jar)的规则定义中不存在，这时候只能把规则追加到Sonar Plugin for Objective C中，并重新编译jar包。追加规则的方法为：

编辑sonar-objective-c-master/src/main/resources/org/sonar/plugins/oclint下的 profile-oclint.xml和rules.txt

例如上面的错误，将下面的代码加入profile-oclint.xml

        <rule>
            <repositoryKey>OCLint</repositoryKey>
            <key>switch statements don't need default when fully covered</key>
        </rule>

将下面的代码加入rules.txt（注意在0.3.2版本中Priority和Severity不能超过3，否则编译出来的jar包会造成SonarQube服务器无法启动）

switch statements don't need default when fully covered
----------

Summary:

Priority: 3
Severity: 3
Category: OCLint

最后需要重启SonarQube服务器

/etc/sonarqube/bin/macosx-universal-64/sonar.sh restart

3. 如果执行/etc/sonarqube/bin/macosx-universal-64/sonar.sh console失败，提示错误：

wrapper  | --> Wrapper Started as Console
wrapper  | Launching a JVM...
jvm 1    | Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org
jvm 1    |   Copyright 1999-2006 Tanuki Software, Inc.  All Rights Reserved.
jvm 1    | 
wrapper  | <-- Wrapper Stopped

同时在/etc/sonarqube/bin/macosx-universal-64/中生成wrapper.log文件，并提示无法找到配置文件，则由可能是追击规则后重新编译过的sonar-objective-c-plugin-0.3.2-SNAPSHOT.jar文件出错，特别是rules.txt 中某一项的Priority和Severity超过了3